Entertainment and adventures await. Here are some of the best bets for the weekend and week ahead.

Halloween happenings

You can't get much bigger than the 21st annual Halloween on the Green planned for Saturday. More than 500 children are expected to arrive for this free costume party and parade from 2 to 4 p.m. at Ives Street. Look for a free photo booth, games, roving performers and live music. Visit citycenterdanbury.com or call 203-792-1711 for information. Also in Danbury, you also can hear about Connecticut's fascination with vampires on Saturday when the state's archaeologist, Nicholas Bellantoni, visits the Danbury Museum and Historical Society at 2 p.m. to talk about vampire folk beliefs. It's free; danburymuseum.org.

In Bethel, the historical society will be hosting a Halloween Ghost Tour on Friday with Bethel author and storyteller Marty Bishop. After the hour tour, enjoy cider and doughnuts. Come back in costume the next day for Tricks and Treats from Halloween's Past, a holiday celebration that will last from 2 to 4 p.m. at 40 Main St. Reservations are necessary for both events. Call 203-743-5893. You also can head over to the Municipal Center, 1 School St., on Saturday for the annual Trick or Treat Street Halloween Bash. The event, which includes a costume contest, begins at 1 p.m. (sign up before noon that day to be part of the Zombie Walk).

Woodbury is the place for a family friendly Halloween event on Sunday that will focus on friendly farm animals and pumpkins. Registration is necessary by calling 203-263-3711, ext. 10.

In Newtown, start the celebrations at 10 a.m. on Saturday at EverWonder Experience, 31 Pecks Lane, where children and families are invited to make lava lamps and masks. For more information, 203- 364-4009 or visit www.facebook.com/everwondermuseum. Later, on Tuesday, the Inn at Newtown will host a zombie wine dinner beginning at 6:30 p.m. -- a multi-course event with a zombie board game. Reservations by credit card ($65) required. Call 203-270-1876.

In New Milford, the Parks and Recreation Department and others will host a "Trunk or Treat" event on Thursday from 5:30 to 7:30 p.m. on the town green. Feel free to donate a bag of candy and show off those costumes. Call 860-355-6050.

Musically, the Western Connecticut State University's Ives Concert Hall in White Hall will present an Oktoberfest Jazz Concert on Friday night, where costumes are encouraged. Call 203-837-8350. In Seymour, the Strand Theater, 165 Main St., will host a free 7 p.m. Halloween concert and celebration on Saturday. Call 203-888-7880.

On Sunday, Lalo Conversano with The Roger Post Trio will be at Pizzeria Lauretano in Bethel, pizzerialauretano.com; the Trio Con Brio Copenhagen will be in Newtown (newtownfriendsofmusic.org); and New York Philharmonic musicians will be performing in a benefit concert for Binn Animal Rescue & Sanctuary, 4 Stony Hill Terr. (https://binnanimalrescue.eventbrite.com, 203-438-5795).

Treasure seekers

The Wilton Fall Antiques Market is back after a hiatus of several years. Show organizers promise a diverse collection of goods and items for all points on the budget. It will take place on Sunday at Wilton High School Field House, 395 Danbury Road. For more information, visit barnstar.com or the Wilton Historical Society, which is benefiting from the show, wiltonhistorical.org.